Home / 23,155.14-31,954.05-12,544.81

Finding the Fourth Proportional to 23,155.14, 31,954.05 and 12,544.81

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Solution

The fourth proportional to 23,155.14, 31,954.05 and 12,544.81 is: 17,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.14 : 31,954.05 = 12,544.81 : x
  2. Step 2: Convert to fraction form
    23,155.14/31,954.05 = 12,544.81/x
  3. Step 3: Cross multiply
    23,155.14x = 31,954.05 × 12,544.81
  4. Step 4: Simplify right side
    23,155.14x = 400,857,485.98
  5. Step 5: Solve for x
    x = 400,857,485.98/23,155.14
  6. Step 6: Final answer
    x = 17,311.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.